/**
 * 	Copyright (c) 2010 Philipp Giese
 * 
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package com.orm.androrm;

import android.content.ContentValues;
import android.database.Cursor;

/**
 * This class can be used for any fields containing strings, that will then be
 * serialized into the database.
 * 
 * @author Philipp Giese
 */
public class CharField extends DataField<String> {

	/**
	 * Initializes a standard field with implicit maximum length of 255
	 * characters.
	 */
	public CharField() {
		mType = "varchar";
	}

	/**
	 * Initializes a field and sets the maximum length, if this value is greater
	 * than 0 and less than or equal to 255.
	 * 
	 * @param maxLength
	 *            Maximum number of characters allowed for this field.
	 */
	public CharField(int maxLength) {
		mType = "varchar";

		if (maxLength > 0 && maxLength <= 255) {

			mMaxLength = maxLength;
		}
	}

	@Override
	public void putData(String key, ContentValues values) {
		values.put(key, get());
	}

	@Override
	public void set(Cursor c, String fieldName) {
		set(c.getString(c.getColumnIndexOrThrow(fieldName)));
	}

	@Override
	public void reset() {
		mValue = null;
	}

}
